Mojo: Rename (Mojo)WaitFlagsState -> (Mojo)HandleSignalsState.

mojo/system/waiter_list_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // NOTE(vtl): Some of these tests are inherently flaky (e.g., if run on a
 // heavily-loaded system). Sorry. |test::EpsilonTimeout()| may be increased to
 // increase tolerance and reduce observed flakiness (though doing so reduces the
 // meaningfulness of the test).
 
 #include "mojo/system/waiter_list.h"
 
 #include "base/threading/platform_thread.h"  // For |Sleep()|.
 #include "base/time/time.h"
+#include "mojo/system/handle_signals_state.h"
 #include "mojo/system/test_utils.h"
-#include "mojo/system/wait_flags_state.h"
 #include "mojo/system/waiter.h"
 #include "mojo/system/waiter_test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
 namespace system {
 namespace {
 
 TEST(WaiterListTest, BasicCancel) {
   MojoResult result;
@@ skipping 39 matching lines @@
   MojoResult result;
   uint32_t context;
 
   // Awake immediately after thread start.
   {
     WaiterList waiter_list;
     test::SimpleWaiterThread thread(&result, &context);
     waiter_list.AddWaiter(thread.waiter(), MOJO_HANDLE_SIGNAL_READABLE, 1);
     thread.Start();
     waiter_list.AwakeWaitersForStateChange(
-        WaitFlagsState(MOJO_HANDLE_SIGNAL_READABLE,
-                       MOJO_HANDLE_SIGNAL_READABLE |
-                           MOJO_HANDLE_SIGNAL_WRITABLE));
+        HandleSignalsState(MOJO_HANDLE_SIGNAL_READABLE,
+                           MOJO_HANDLE_SIGNAL_READABLE |
+                               MOJO_HANDLE_SIGNAL_WRITABLE));
     waiter_list.RemoveWaiter(thread.waiter());
   }  // Join |thread|.
   EXPECT_EQ(MOJO_RESULT_OK, result);
   EXPECT_EQ(1u, context);
 
   // Awake before after thread start.
   {
     WaiterList waiter_list;
     test::SimpleWaiterThread thread(&result, &context);
     waiter_list.AddWaiter(thread.waiter(), MOJO_HANDLE_SIGNAL_WRITABLE, 2);
     waiter_list.AwakeWaitersForStateChange(
-        WaitFlagsState(MOJO_HANDLE_SIGNAL_WRITABLE,
-                       MOJO_HANDLE_SIGNAL_READABLE |
-                           MOJO_HANDLE_SIGNAL_WRITABLE));
+        HandleSignalsState(MOJO_HANDLE_SIGNAL_WRITABLE,
+                           MOJO_HANDLE_SIGNAL_READABLE |
+                               MOJO_HANDLE_SIGNAL_WRITABLE));
     waiter_list.RemoveWaiter(thread.waiter());
     waiter_list.RemoveWaiter(thread.waiter());  // Double-remove okay.
     thread.Start();
   }  // Join |thread|.
   EXPECT_EQ(MOJO_RESULT_OK, result);
   EXPECT_EQ(2u, context);
 
   // Awake some time after thread start.
   {
     WaiterList waiter_list;
     test::SimpleWaiterThread thread(&result, &context);
     waiter_list.AddWaiter(thread.waiter(), MOJO_HANDLE_SIGNAL_READABLE, 3);
     thread.Start();
     base::PlatformThread::Sleep(2 * test::EpsilonTimeout());
     waiter_list.AwakeWaitersForStateChange(
-        WaitFlagsState(MOJO_HANDLE_SIGNAL_READABLE,
-                       MOJO_HANDLE_SIGNAL_READABLE |
-                           MOJO_HANDLE_SIGNAL_WRITABLE));
+        HandleSignalsState(MOJO_HANDLE_SIGNAL_READABLE,
+                           MOJO_HANDLE_SIGNAL_READABLE |
+                               MOJO_HANDLE_SIGNAL_WRITABLE));
     waiter_list.RemoveWaiter(thread.waiter());
   }  // Join |thread|.
   EXPECT_EQ(MOJO_RESULT_OK, result);
   EXPECT_EQ(3u, context);
 }
 
 TEST(WaiterListTest, BasicAwakeUnsatisfiable) {
   MojoResult result;
   uint32_t context;
 
   // Awake (for unsatisfiability) immediately after thread start.
   {
     WaiterList waiter_list;
     test::SimpleWaiterThread thread(&result, &context);
     waiter_list.AddWaiter(thread.waiter(), MOJO_HANDLE_SIGNAL_READABLE, 1);
     thread.Start();
     waiter_list.AwakeWaitersForStateChange(
-        WaitFlagsState(MOJO_HANDLE_SIGNAL_NONE, MOJO_HANDLE_SIGNAL_WRITABLE));
+        HandleSignalsState(MOJO_HANDLE_SIGNAL_NONE,
+                           MOJO_HANDLE_SIGNAL_WRITABLE));
     waiter_list.RemoveWaiter(thread.waiter());
   }  // Join |thread|.
   EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, result);
   EXPECT_EQ(1u, context);
 
   // Awake (for unsatisfiability) before after thread start.
   {
     WaiterList waiter_list;
     test::SimpleWaiterThread thread(&result, &context);
     waiter_list.AddWaiter(thread.waiter(), MOJO_HANDLE_SIGNAL_WRITABLE, 2);
     waiter_list.AwakeWaitersForStateChange(
-        WaitFlagsState(MOJO_HANDLE_SIGNAL_READABLE,
-                       MOJO_HANDLE_SIGNAL_READABLE));
+        HandleSignalsState(MOJO_HANDLE_SIGNAL_READABLE,
+                           MOJO_HANDLE_SIGNAL_READABLE));
     waiter_list.RemoveWaiter(thread.waiter());
     thread.Start();
   }  // Join |thread|.
   EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, result);
   EXPECT_EQ(2u, context);
 
   // Awake (for unsatisfiability) some time after thread start.
   {
     WaiterList waiter_list;
     test::SimpleWaiterThread thread(&result, &context);
     waiter_list.AddWaiter(thread.waiter(), MOJO_HANDLE_SIGNAL_READABLE, 3);
     thread.Start();
     base::PlatformThread::Sleep(2 * test::EpsilonTimeout());
     waiter_list.AwakeWaitersForStateChange(
-        WaitFlagsState(MOJO_HANDLE_SIGNAL_NONE, MOJO_HANDLE_SIGNAL_WRITABLE));
+        HandleSignalsState(MOJO_HANDLE_SIGNAL_NONE,
+                           MOJO_HANDLE_SIGNAL_WRITABLE));
     waiter_list.RemoveWaiter(thread.waiter());
     waiter_list.RemoveWaiter(thread.waiter());  // Double-remove okay.
   }  // Join |thread|.
   EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, result);
   EXPECT_EQ(3u, context);
 }
 
 TEST(WaiterListTest, MultipleWaiters) {
   MojoResult result1;
   MojoResult result2;
@@ skipping 25 matching lines @@
   {
     WaiterList waiter_list;
     test::SimpleWaiterThread thread1(&result1, &context1);
     waiter_list.AddWaiter(thread1.waiter(), MOJO_HANDLE_SIGNAL_READABLE, 3);
     thread1.Start();
     test::SimpleWaiterThread thread2(&result2, &context2);
     waiter_list.AddWaiter(thread2.waiter(), MOJO_HANDLE_SIGNAL_WRITABLE, 4);
     thread2.Start();
     base::PlatformThread::Sleep(2 * test::EpsilonTimeout());
     waiter_list.AwakeWaitersForStateChange(
-        WaitFlagsState(MOJO_HANDLE_SIGNAL_READABLE,
-                       MOJO_HANDLE_SIGNAL_READABLE |
-                           MOJO_HANDLE_SIGNAL_WRITABLE));
+        HandleSignalsState(MOJO_HANDLE_SIGNAL_READABLE,
+                           MOJO_HANDLE_SIGNAL_READABLE |
+                               MOJO_HANDLE_SIGNAL_WRITABLE));
     waiter_list.RemoveWaiter(thread1.waiter());
     waiter_list.CancelAllWaiters();
   }  // Join threads.
   EXPECT_EQ(MOJO_RESULT_OK, result1);
   EXPECT_EQ(3u, context1);
   EXPECT_EQ(MOJO_RESULT_CANCELLED, result2);
   EXPECT_EQ(4u, context2);
 
   // Cancel one waiter, awake other for unsatisfiability.
   {
     WaiterList waiter_list;
     test::SimpleWaiterThread thread1(&result1, &context1);
     waiter_list.AddWaiter(thread1.waiter(), MOJO_HANDLE_SIGNAL_READABLE, 5);
     thread1.Start();
     test::SimpleWaiterThread thread2(&result2, &context2);
     waiter_list.AddWaiter(thread2.waiter(), MOJO_HANDLE_SIGNAL_WRITABLE, 6);
     thread2.Start();
     base::PlatformThread::Sleep(2 * test::EpsilonTimeout());
     waiter_list.AwakeWaitersForStateChange(
-        WaitFlagsState(MOJO_HANDLE_SIGNAL_NONE, MOJO_HANDLE_SIGNAL_READABLE));
+        HandleSignalsState(MOJO_HANDLE_SIGNAL_NONE,
+                           MOJO_HANDLE_SIGNAL_READABLE));
     waiter_list.RemoveWaiter(thread2.waiter());
     waiter_list.CancelAllWaiters();
   }  // Join threads.
   EXPECT_EQ(MOJO_RESULT_CANCELLED, result1);
   EXPECT_EQ(5u, context1);
   EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, result2);
   EXPECT_EQ(6u, context2);
 
   // Cancel one waiter, awake other for unsatisfiability.
   {
     WaiterList waiter_list;
     test::SimpleWaiterThread thread1(&result1, &context1);
     waiter_list.AddWaiter(thread1.waiter(), MOJO_HANDLE_SIGNAL_READABLE, 7);
     thread1.Start();
 
     base::PlatformThread::Sleep(1 * test::EpsilonTimeout());
 
     // Should do nothing.
     waiter_list.AwakeWaitersForStateChange(
-        WaitFlagsState(MOJO_HANDLE_SIGNAL_NONE,
-                       MOJO_HANDLE_SIGNAL_READABLE |
-                           MOJO_HANDLE_SIGNAL_WRITABLE));
+        HandleSignalsState(MOJO_HANDLE_SIGNAL_NONE,
+                           MOJO_HANDLE_SIGNAL_READABLE |
+                               MOJO_HANDLE_SIGNAL_WRITABLE));
 
     test::SimpleWaiterThread thread2(&result2, &context2);
     waiter_list.AddWaiter(thread2.waiter(), MOJO_HANDLE_SIGNAL_WRITABLE, 8);
     thread2.Start();
 
     base::PlatformThread::Sleep(1 * test::EpsilonTimeout());
 
     // Awake #1.
     waiter_list.AwakeWaitersForStateChange(
-        WaitFlagsState(MOJO_HANDLE_SIGNAL_READABLE,
-                       MOJO_HANDLE_SIGNAL_READABLE |
-                           MOJO_HANDLE_SIGNAL_WRITABLE));
+        HandleSignalsState(MOJO_HANDLE_SIGNAL_READABLE,
+                           MOJO_HANDLE_SIGNAL_READABLE |
+                               MOJO_HANDLE_SIGNAL_WRITABLE));
     waiter_list.RemoveWaiter(thread1.waiter());
 
     base::PlatformThread::Sleep(1 * test::EpsilonTimeout());
 
     test::SimpleWaiterThread thread3(&result3, &context3);
     waiter_list.AddWaiter(thread3.waiter(), MOJO_HANDLE_SIGNAL_WRITABLE, 9);
     thread3.Start();
 
     test::SimpleWaiterThread thread4(&result4, &context4);
     waiter_list.AddWaiter(thread4.waiter(), MOJO_HANDLE_SIGNAL_READABLE, 10);
     thread4.Start();
 
     base::PlatformThread::Sleep(1 * test::EpsilonTimeout());
 
     // Awake #2 and #3 for unsatisfiability.
     waiter_list.AwakeWaitersForStateChange(
-        WaitFlagsState(MOJO_HANDLE_SIGNAL_NONE, MOJO_HANDLE_SIGNAL_READABLE));
+        HandleSignalsState(MOJO_HANDLE_SIGNAL_NONE,
+                           MOJO_HANDLE_SIGNAL_READABLE));
     waiter_list.RemoveWaiter(thread2.waiter());
     waiter_list.RemoveWaiter(thread3.waiter());
 
     // Cancel #4.
     waiter_list.CancelAllWaiters();
   }  // Join threads.
   EXPECT_EQ(MOJO_RESULT_OK, result1);
   EXPECT_EQ(7u, context1);
   EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, result2);
   EXPECT_EQ(8u, context2);
   EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, result3);
   EXPECT_EQ(9u, context3);
   EXPECT_EQ(MOJO_RESULT_CANCELLED, result4);
   EXPECT_EQ(10u, context4);
 }
 
 }  // namespace
 }  // namespace system
 }  // namespace mojo